Questions tagged 'Chemistry'
452 questions
How many grams of aluminum oxide would form if 15.2 moles of aluminum burned
How many grams of aluminum oxide are produced when 15.2 moles of aluminum are burned? The calculated answer is 637.25 grams.
Arrange the following Elements from greatest to least tendency to accept an electron.?
Please rank the following elements from the greatest to the least tendency to accept an electron: Sr, Sn, Rb, Te, I. If you believe any elements have equivalent tendencies, feel free to overlap them i...
how many electrons does it take to fill a σ*2p mo?
I am feeling quite confused about the concept of filling the σ*2p molecular orbital. Could someone please help me understand how many electrons are required to fill this orbital and provide some clari...
Oct 15, 2024
Identify the oxidation numbers for all the elements in the reactants and products for 4h2o2(aq)+cl2o7(g)+2oh−(aq)→2clo2−( aq)+5h2o(l)+4o2(g)
Identify the oxidation numbers for all the elements in the reactants and products of the following chemical equation: 4 H₂O₂(aq) + Cl₂O₇(g) + 2 OH⁻(aq) → 2 ClO₂⁻(aq) + 5 H₂O(l) + 4 O₂(g). Please det...
Which pair shows compounds with the same radical?
Which pair of compounds contains the same radical? Please provide examples and explain the significance of the radicals in these compounds.
Which two monomers may combine to form a polyester?
What are the two monomers that can combine to form a polyester?
Predict the approximate molecular geometry of a formaldehyde molecule:
What is the approximate molecular geometry of a formaldehyde molecule, and what factors contribute to this geometry?
Oct 14, 2024
rate law, rate doubled..then?
Given the reaction: 2Mg + O2 → 2MgO with the rate law expressed as k[Mg][O2]^2, I have two questions regarding the effect of changing the concentrations of the reactants on the reaction rate: a) What...
Can someone please please tell me how to calculate the instantaneous rate of a reaction from a graph.?
Can someone please explain how to calculate the instantaneous rate of a reaction from a graph? In the problem, we are given the following reaction: H2(g) + Br2(g) ---> 2HBr(g). The graph below sho...
Which is composed of alkynes?
Which of the following options is composed of alkynes? a) Acetylene b) Margarine c) Rubber tires d) Polystyrene cups